Domain Driven Applications, Quickly

Apache Isis™ is a framework for rapidly developing domain-driven apps in Java. Write your business logic in entities, domain services or view models, and the framework dynamically generates a representation of that domain model as a webapp or a rich hypermedia REST API.

Apache Isis' philosophy is awesome - it drives you to focus on the domain model and encourages you to practice Behavior Driven Development. In addition, it brings the team together, sets the common platform and provides the right set of tools to work collaboratively which is simply great for the software development. It's a fabulously fantastic framework! A big thank you to the Apache Isis team.

Apache Isis enabled us to concentrate on modelling the domain and getting the UI and REST Interface with nearly no effort so we could build a fast and reliable application. Now we've started using it for the second project and I'm still very impressed by the framework and the community behind it.

Timothy Simecsek, NTT DATA Österreich GmbH

We'd been looking for a RAD-tool for building our app; after trying different tools, Apache Isis gave us the most confidence for getting the job done. It's really remarkable how easy it is to use, while contributors and users on the Isis' active mailing list are ready to help on more advanced topics.

Erik de Hair, pocos.nl

A fantastic framework! With Apache Isis we can prototype a deployable application in minutes rather than days.

Jeremy Branham

With its automatic UI and REST web services generation, Apache Isis kept our developers amazed and happy. Having had strenuous experiences with architecture and infrastructure concerns differing from project to project, it's like having back the fun in software development

Willie Loyd Tandingan

Apache Isis' focus on the business domain improves communication between our end-users, architects and developers. Having a better application in a fraction of the time and cost is something we highly appreciate.

Cesar Lugo

I like the guidance Apache Isis gives me for structuring code along the lines of Domain Driven Design. My first web application in plain Java without writing a single line of DDL or HTML/*Script.

Joerg Rade

The Apache Isis team is very supportive. They even added new functionality for Summernote when I needed a WYSIWYG editor in my prototype project.

Marianne Hagaseth

What interests me most about Apache Isis is its goal of making both developers and users co-owners of their domain models. Apache Isis will be of interest to businesses who see their custom software as a strategic investment. It's not trying to be all things to all people, but it has depth and also, I predict, a bright future.

Steve Cameron

As students most of us prefer sticking with business logic than spending much time with UX enhancements. Apache Isis provides a great platform to create a perfectly working prototypes with loads of inbuilt UX concerns and customizations without worrying a single bit on the GUI perspective.
And I must say this: "Great Support from the development team"

Vishma Dias, University of Moratuwa, Sri Lanka.

Apache Isis has allowed us to be focused on the Domain instead of infrastructure issues. The extensive metamodel let us further automate and enhance our custom viewer and integrate with external frameworks.

Nacho Canovas

Support from the Apache Isis community is excellent. I sense a love and dedication that is inspiring.

Johan Doornenbal

Apache Isis provided us with a great starting point for our app; we simply took the todoapp archetype and used it as a template to help set up our integration tests and BDD specs. We were productive almost immediately

Vladimir Nisevic, A1 Telekom Austria

Apache Isis enabled us to focus on the problem domain and data quality and - because the UI was generated for us by the framework - not get distracted by UI concerns. Identified security issues were quickly addressed by the Apache Isis committers.

Architect

We use Apache Isis because of its simple and fast user interface generation.

Andreas Lechner

Apache Isis is an easy to learn, efficient and productive RAD platform. Further I can say it is evolving to be
"the best RAD platform" without any exaggerations. The help from the community is simply wonderful.

Domain Driven Applications, Quickly

Apache Isis™ is a framework for rapidly developing domain-driven apps in Java. Write your business logic in entities, domain services or view models, and the framework dynamically generates a representation of that domain model as a webapp or a rich hypermedia REST API.

UI & REST "for free"

Apache Isis dynamically builds both a generic UI and also a rich hypermedia REST API directly from the underlying domain objects.
This makes for extremely rapid prototyping and a short feedback cycle, perfect for agile development.
The UI can also be extended for specific use cases, and can be themed using Bootstrap.

Domain-Driven

The core of an Apache Isis application are the domain objects, either persisted entities or view models.
Business rules can be associated directly with domain objects, or can be factored out into separate
services. Apache Isis performs dependency injection everywhere to ensure that the application remains decoupled.

Add-ons (non ASF)

Apache Isis has a large number of github-hosted add-on modules for security, auditing, command profiling,
mail merge and other cross-cutting concerns. It also has a number of UI extensions for maps, calendars etc.
as well as a catalog of generic subdomains such as documents, communications, notes and tasks. All are open source and
designed for out-of-the-box use or to fork as you require.

A typical application built with Apache Isis

Like all Apache Isis apps, the UI is dynamically built from the domain model. The screenshot below
shows a demo "todoapp" (source code available on github)

The above screenshot shows the ToDoItem entity. An (optional) XML layout file provides metadata dividing the object members into rows, columns and tabs. Apache Isis also supports view models as well as entities, so you can also create dashboards, home pages and similar:

Apache Isis also provides a rich REST API with a full set of hypermedia controls. The framework provides two default representations, pluggable for other representations. The framework also automatically generates a Swagger spec to allow REST clients to be code-generated, and (for developers) exposes the REST API through the Swagger UI: